George heinzman



No. 608,856. Patented Aug. 9, I898. G. HEINZMAN.

HEAD FOR STRINGED INSTBUIENTS.

(Application filed Nov. 15, 1897.)

(In Iodel.)

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avwemboz 2X Mme/sacs UNITED STATES PATENT OFFICE.

GEORGE HEINZMAN, OF NEW YORK, N. Y.

HEAD FOR STRINGED INSTRUMENTS.

SPECIFICATION forming part of Letters Patent N 0. 608,856, dated August 9, 1898.

Application filed November 15, 1897.

T0 aZZ whom it may concern:

Be it known that I, GEORGE HEINZMAN, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Heads for Stringed Instruments; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention has for its object to provide a novel construction in heads for certain stringed instruments-such as guitars, mandolins, violins, &c.whereby the assembling of the parts is facilitated and their number and cost of production lessened; and for these purposes it consists in the construction, arrangement, and combination of the several parts of which it is composed, as will be hereinafter more fully described and claimed.

Referring to the accompanying drawings, in which corresponding parts are designated by corresponding marks of reference, Figure 1 is a plan view of a head constructed in accordance with this invention. Fig. 2 is a side view thereof, partly broken away for the purpose of better illustration. Fig. 3 is a detail view of a pin used in my invention.

A suitable plate 1 is carried on the neck A of the instrument and has formed therein a series of bearings corresponding in number with the number of the tuning-pins. Each of these bearings consists of two intersecting apertures 2 and 3, the one aperture 2 being smaller than the other and forming at one end a circular bearing connected to the larger aperture by a straight-sided slot. The plate is recessed on each side of the apertures 8, as atd, for the reception of ears 5, each pair of cars carryinga worm-shaft 6, which crosses above the corresponding aperture 3 and is actuated by the usual thumb-nut 7.

The tuning-pins 8 are mounted in the bearings in the plate 1 and are provided with the usual worm-wheels 9, gearing with the corresponding worms 6, the cylindrical body portions of the pins and the wheels being separated by recessed necks formed by annular grooves 10, the said necks being of the proper size to be contained within the apertures 2 of the bearings for the purpose of holding the pins against axial movement therein. The

cylindrical body portions of the pins are of such size as to permit their insertion through Serial No. 658,613. (No model.)

the larger apertures 3 and are perforated for the reception of the strings.

Such being the construction of the parts a pin may be inserted in place by passing the body portion thereof through an aperture 3 until the neck thereof is in the same plane as the plate 1, when the pin may be moved rearward in the bearing, so that its neck is contained in the aperture 2. If the corresponding worm-shaft be fastened in place, the contact between the latter and the worm- Wheel upon the pin will prevent the forward movement of the pin into the larger aperture and will securely hold it.

It will be seen that as a result of my invention I am enabled to make the several parts of peg-namely, the worm-wheel and the cylindrical body portion-in one piece, thereby doing away with the expensive fitting of the parts and the liability of loss resulting from the breakage thereof, and at the same time I simplify and materially reduce the cost of manufacture.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. The combination in a tuning-head, of a plate having two intersecting apertures therein of different sizes, a tuning-pin provided with a neck contained within the smaller aperture, the body of the pin being capable of insertion through the larger aperture, and a worm-shaft actuating the pin and located adjacent to the larger aperture and preventing the movement of the pin therein, substantially as described.

2. The combination in a tuning-head, of a plate having two intersecting apertures therein of different sizes, a tuning-pin formed of a single piece and having a worm-wheel and a body portion separated by a grooved neck, contained within the smaller aperture, the body portion of the pin being capable of insertion through the larger aperture, and a worm-shaft actuatingthe pin and located adjacent to the larger aperture and preventing the movement of the pin therein, substantially as described.

In testimony whereof I ailix my signature in presence of two witnesses.

GEORGE HEINZMAN. IVitnesses:

S. J. PUTNAM, C. J. SIMONSON. 

